* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-emoji {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-links a:hover {
    background-color: rgba(255,255,255,0.1);
    color: #00d4ff;
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.section {
    padding: 3rem 0;
    background: white;
    margin: 2rem 0;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #1a1a2e;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

.feature-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #1a1a2e;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

.product-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.product-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.product-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
}

.product-content {
    padding: 1.5rem;
}

.product-content h3 {
    margin-bottom: 0.5rem;
    color: #1a1a2e;
}

.product-content p {
    color: #666;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: opacity 0.3s;
}

.btn:hover {
    opacity: 0.9;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

.news-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 1.5rem;
    transition: box-shadow 0.3s;
}

.news-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.news-date {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.news-item h3 {
    margin-bottom: 1rem;
    color: #1a1a2e;
}

.news-item p {
    color: #666;
    line-height: 1.6;
}

.stats-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #00d4ff;
}

.stat-label {
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.benefits-section {
    background: #f8f9fa;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 0 2rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.benefit-item h4 {
    color: #1a1a2e;
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: #666;
    font-size: 0.95rem;
}

footer {
    background: #1a1a2e;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #00d4ff;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #00d4ff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
}

.about-content {
    padding: 2rem;
    line-height: 2;
}

.about-content p {
    margin-bottom: 1.5rem;
    text-align: justify;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #1a1a2e;
        padding: 1rem;
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .features-grid,
    .product-list,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.5rem;
    }
}